sprocket

play
noun sprock·et \ˈsprä-kət\

Definition of sprocket

  1. 1 :  a toothed wheel whose teeth engage the links of a chain

  2. 2 :  a cylinder with teeth around the circumference at either end that project through perforations in something (such as motion-picture film) to move it through a mechanism (such as a projector)

Origin and Etymology of sprocket

origin unknown


First Known Use: 1886


SPROCKET Defined for English Language Learners

sprocket

play
noun sprock·et \ˈsprä-kət\

Definition of sprocket for English Language Learners

  • : a wheel that has a row of teeth around its edge which fit into the holes of something (such as a bicycle chain or a piece of film) and cause it to turn when the wheel turns; also : any one of the teeth on such a wheel


SPROCKET Defined for Kids

sprocket

play
noun sprock·et \ˈsprä-kət\

Definition of sprocket for Students

  1. :  one of many points that stick up on the rim of a wheel (sprocket wheel) shaped so as to fit into the links of a chain



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